org.ng200.openolympus.services.SolutionService.java Source code

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Here is the source code for org.ng200.openolympus.services.SolutionService.java

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/**
 * The MIT License
 * Copyright (c) 2014 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.services;

import java.math.BigDecimal;
import java.util.List;

import org.ng200.openolympus.model.Solution;
import org.ng200.openolympus.model.Task;
import org.ng200.openolympus.model.User;
import org.ng200.openolympus.model.Verdict;
import org.ng200.openolympus.repositories.SolutionRepository;
import org.ng200.openolympus.repositories.VerdictRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Service;

@Service
public class SolutionService {
    @Autowired
    private SolutionRepository solutionRepository;
    @Autowired
    private VerdictRepository verdictRepository;

    @Autowired
    private ContestService contestService;

    public Solution getLastSolutionByUserForTask(final User user, final Task task) {
        return this.solutionRepository.findByUserAndTaskOrderByTimeAddedDesc(user, task, new PageRequest(0, 1))
                .get(0);
    }

    public List<Verdict> getPendingVerdicts() {
        final List<Verdict> lst = this.verdictRepository
                .findByTestedAndIsViewableWhenContestRunningOrderByIdAsc(false, true);
        if (lst.isEmpty()) {
            lst.addAll(
                    this.verdictRepository.findByTestedAndIsViewableWhenContestRunningOrderByIdAsc(false, false));
        }
        return lst;
    }

    public BigDecimal getSolutionMaximumScore(final Solution solution) {
        return this.getVerdicts(solution).stream().map((verdict) -> verdict.getMaximumScore())
                .reduce((x, y) -> x.add(y)).orElse(BigDecimal.ZERO);
    }

    public BigDecimal getSolutionScore(final Solution solution) {
        if (solution == null) {
            return BigDecimal.ZERO;
        }
        return this.getVerdicts(solution).stream().map((verdict) -> verdict.getScore()).reduce((x, y) -> x.add(y))
                .orElse(BigDecimal.ZERO);
    }

    public List<Verdict> getVerdicts(final Solution solution) {
        if (this.contestService.getRunningContest() == null) {
            return this.verdictRepository.findBySolutionOrderByIdAsc(solution);
        }
        return this.verdictRepository.findBySolutionAndIsViewableWhenContestRunningOrderByIdAsc(solution, true);
    }
}